849e080970adffb5f2972a58d8089c7095b7f714
2 * Copyright © 2012 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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21 * DEALINGS IN THE SOFTWARE.
24 #include "main/core.h"
27 #include "ir_uniform.h"
28 #include "glsl_symbol_table.h"
29 #include "program/hash_table.h"
31 /* These functions are put in a "private" namespace instead of being marked
32 * static so that the unit tests can access them. See
33 * http://code.google.com/p/googletest/wiki/AdvancedGuide#Testing_Private_Code
38 get_storage(gl_uniform_storage
*storage
, unsigned num_storage
,
41 for (unsigned int i
= 0; i
< num_storage
; i
++) {
42 if (strcmp(name
, storage
[i
].name
) == 0)
50 copy_constant_to_storage(union gl_constant_value
*storage
,
51 const ir_constant
*val
,
52 const enum glsl_base_type base_type
,
53 const unsigned int elements
)
55 for (unsigned int i
= 0; i
< elements
; i
++) {
58 storage
[i
].u
= val
->value
.u
[i
];
61 case GLSL_TYPE_SAMPLER
:
62 storage
[i
].i
= val
->value
.i
[i
];
65 storage
[i
].f
= val
->value
.f
[i
];
68 storage
[i
].b
= int(val
->value
.b
[i
]);
71 /* All other types should have already been filtered by other
72 * paths in the caller.
74 assert(!"Should not get here.");
81 set_uniform_initializer(void *mem_ctx
, gl_shader_program
*prog
,
82 const char *name
, const glsl_type
*type
,
85 if (type
->is_record()) {
86 ir_constant
*field_constant
;
88 field_constant
= (ir_constant
*)val
->components
.get_head();
90 for (unsigned int i
= 0; i
< type
->length
; i
++) {
91 const glsl_type
*field_type
= type
->fields
.structure
[i
].type
;
92 const char *field_name
= ralloc_asprintf(mem_ctx
, "%s.%s", name
,
93 type
->fields
.structure
[i
].name
);
94 set_uniform_initializer(mem_ctx
, prog
, field_name
,
95 field_type
, field_constant
);
96 field_constant
= (ir_constant
*)field_constant
->next
;
99 } else if (type
->is_array() && type
->fields
.array
->is_record()) {
100 const glsl_type
*const element_type
= type
->fields
.array
;
102 for (unsigned int i
= 0; i
< type
->length
; i
++) {
103 const char *element_name
= ralloc_asprintf(mem_ctx
, "%s[%d]", name
, i
);
105 set_uniform_initializer(mem_ctx
, prog
, element_name
,
106 element_type
, val
->array_elements
[i
]);
111 struct gl_uniform_storage
*const storage
=
112 get_storage(prog
->UniformStorage
,
113 prog
->NumUserUniformStorage
,
115 if (storage
== NULL
) {
116 assert(storage
!= NULL
);
120 if (val
->type
->is_array()) {
121 const enum glsl_base_type base_type
=
122 val
->array_elements
[0]->type
->base_type
;
123 const unsigned int elements
= val
->array_elements
[0]->type
->components();
124 unsigned int idx
= 0;
126 assert(val
->type
->length
>= storage
->array_elements
);
127 for (unsigned int i
= 0; i
< storage
->array_elements
; i
++) {
128 copy_constant_to_storage(& storage
->storage
[idx
],
129 val
->array_elements
[i
],
136 if (base_type
== GLSL_TYPE_SAMPLER
) {
137 for (unsigned int i
= 0; i
< storage
->array_elements
; i
++) {
138 prog
->SamplerUnits
[storage
->sampler
+ i
] = storage
->storage
[i
].i
;
142 copy_constant_to_storage(storage
->storage
,
144 val
->type
->base_type
,
145 val
->type
->components());
147 if (storage
->type
->is_sampler())
148 prog
->SamplerUnits
[storage
->sampler
] = storage
->storage
[0].i
;
151 storage
->initialized
= true;
156 link_set_uniform_initializers(struct gl_shader_program
*prog
)
158 void *mem_ctx
= NULL
;
160 for (unsigned int i
= 0; i
< MESA_SHADER_TYPES
; i
++) {
161 struct gl_shader
*shader
= prog
->_LinkedShaders
[i
];
166 foreach_list(node
, shader
->ir
) {
167 ir_variable
*const var
= ((ir_instruction
*) node
)->as_variable();
169 if (!var
|| var
->mode
!= ir_var_uniform
|| !var
->constant_value
)
173 mem_ctx
= ralloc_context(NULL
);
175 linker::set_uniform_initializer(mem_ctx
, prog
, var
->name
,
176 var
->type
, var
->constant_value
);
180 ralloc_free(mem_ctx
);